dapr - v1.7.1


Dapr 1.7.1

Summary

This hotfix release addresses a change made in how actor timers are validated during creation. Specifically, DueTime can be set to 0 to have a reminder fire immediately.
Additionally, this hotfix addresses an issue in the Apache Pulsar pubsub component preventing the use of namespaces when publishing to topics.
Lastly, there is a fix to avoid a nil dereference crash on the sidecar when using API logging feature in gRPC API.

Runtime

  • An Actor Timer with a DueTime of 0 will now pass validation allowing timers to fire immediately.

Components

  • The correct value the Pulsar topic is now specified on publishing, allowing the use of namespaces.

Details

Actor Timer Creation

Problem

Registering an Actor Timer with a DueTime of 0 would fail and the Timer would not be started.

Root cause

A change introduced in release 1.6 caused Timers to be invalidated if their DueTime was in the past. However, when the DueTime is 0, signifying an immediate fire, it is set in Dapr to the current time. After it was set to the current time, it would later be compared to the current time again. As these time comparisons did not share the value for current time, it is almost guaranteed that the DueTime would now appear to be in the past.

Solution

Revert the code to pre-1.6 behavior which allows DueTimes to be in the past as that still equates to firing immediately.

Panic: nil pointer dereference in API Logging

Problem

When enabling the API logging preview feature, a nil reference can occur and crash the sidecar.

Root cause

Logic for API logging in gRPC assumed gRPC info object was always not nil, however it has been reported that it could be nil when invoking an actor as per issue #4527.

Solution

Add a nil check for API logging preview feature in gRPC API.


Details

date
April 21, 2022, 7:23 p.m.
name
Dapr Runtime v1.7.1
type
Patch
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